js日期年份

// 创建一个Date对象
let now = new Date();

// 获取年份
let year = now.getFullYear();
console.log("当前年份是:", year);

// 设置特定年份
let specificYear = new Date();
specificYear.setFullYear(2030);
console.log("设置为2030年的日期:", specificYear);

// 格式化日期为YYYY-MM-DD
function formatDate(date) {
    let year = date.getFullYear();
    let month = String(date.getMonth() + 1).padStart(2, '0');
    let day = String(date.getDate()).padStart(2, '0');
    return `${year}-${month}-${day}`;
}

console.log("格式化后的日期:", formatDate(now));

let localDate = now.toLocaleDateString();
console.log("本地日期:", localDate);

let futureDate = new Date();
futureDate.setDate(futureDate.getDate() + 30); // 加30天
console.log("30天后的日期:", futureDate);